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Using YouTube PlayerAPI inside Google Chrome extension in Manifest V2 - works, but generates a lot of warnings

I get a couple of non-critical error messages when using the YouTube player API inside the Google Chrome extension under version v2.

I have the following definitions in my content_security_policy:

"content_security_policy": 
    "script-src 'self' https://www.youtube.com/player_api https://s.ytimg.com/yt/jsbin/www-widgetapi-vfl9Ni0ki.js; object-src 'self'"

The first link, player_api, is dependent on widgetapi. This is understandable if you go to the player_api url and see its contents:

if (!window['YT']) {var YT = {};}if (!YT.Player) {(function(){var s = 'https:' + '//s.ytimg.com/yt/jsbin/www-widgetapi-vflU5wlSl.js';var a = document.createElement('script');a.src = s;a.async = true;var b = document.getElementsByTagName('script')[0];b.parentNode.insertBefore(a, b);YT.embed_template = "\u003ciframe width=\"425\" height=\"344\" src=\"\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e";})();}

This is all good and good. My content security policy works and the YouTube video uploads successfully. However, behind the scenes, I see a lot of warnings:

enter image description here

, "Unsafe JavaScript URL..." . - , !

" ...". Google , , . , , .

? ? ( , , )?

+5
2

http://www.youtube.com YTPlayer $(window).load() $().ready.

Uncaught TypeError: 'apply' of null, onReady, onStateChange onError. null .

+3

, " JavaScript..." ​​Chrome/Chromium:

http://code.google.com/p/chromium/issues/detail?id=17325

.., .

, ( ) .

.

+2

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